.page-news {
  --news-rail: 320px;
  --news-gap: clamp(20px, 3vw, 38px);
  position: relative;
  padding-block: clamp(16px, 3vw, 34px) clamp(56px, 8vw, 104px);
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-news .breadcrumbs {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.4vw, 52px) clamp(20px, 3.6vw, 48px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 229, 255, 0.16);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(138, 43, 226, 0.28), transparent 58%),
    linear-gradient(150deg, var(--nebula), var(--star-800) 62%, var(--star-900));
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -10%;
  width: 64%;
  height: 176%;
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.2), rgba(0, 229, 255, 0));
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 20ch;
}

.page-news .news-hero .lede {
  margin: 16px 0 0;
  max-width: 58ch;
  color: var(--ink-soft);
}

.page-news .news-hero__stats {
  margin-top: clamp(22px, 3vw, 34px);
  flex-wrap: wrap;
  gap: 18px clamp(22px, 3vw, 42px);
}

/* ---------- 双栏骨架 ---------- */

.page-news .news-layout {
  display: grid;
  gap: var(--news-gap);
  margin-top: var(--news-gap);
  align-items: start;
}

.page-news .news-stream {
  display: grid;
  gap: clamp(30px, 4vw, 54px);
  min-width: 0;
}

@media (min-width: 1040px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail) minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 48px);
  }
}

/* ---------- 左侧归档索引 ---------- */

.page-news .news-index {
  display: grid;
  gap: 16px;
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(27, 36, 80, 0.68), rgba(6, 16, 31, 0.86));
  min-width: 0;
}

.page-news .news-index__head {
  display: grid;
  gap: 8px;
}

.page-news .news-index__head .section-title {
  margin: 0;
}

.page-news .news-index__head .txt-muted {
  margin: 0;
  font-size: 13px;
}

.page-news .round-tape {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  align-items: end;
  height: 28px;
  margin-top: 4px;
}

.page-news .round-tape__tick {
  height: 10px;
  border-radius: 3px;
  background: rgba(143, 163, 191, 0.26);
}

.page-news .round-tape__tick:nth-child(3n) {
  height: 16px;
}

.page-news .round-tape__tick.is-current {
  height: 26px;
  background: linear-gradient(180deg, var(--cyan), rgba(0, 229, 255, 0.2));
  box-shadow: var(--glow-cyan);
}

.page-news .news-index__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-index__figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .round-groups {
  display: grid;
  gap: 6px;
}

.page-news .round-group {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(6, 16, 31, 0.58);
  overflow: hidden;
}

.page-news .round-group > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: background var(--dur) var(--ease);
}

.page-news .round-group > summary::-webkit-details-marker {
  display: none;
}

.page-news .round-group > summary:hover {
  background: rgba(0, 229, 255, 0.06);
}

.page-news .round-group > summary::after {
  content: "+";
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  line-height: 1;
}

.page-news .round-group[open] > summary::after {
  content: "–";
}

.page-news .round-group__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--muted);
  min-width: 2ch;
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease);
}

.page-news .round-group[open] .round-group__num {
  color: var(--cyan);
}

.page-news .round-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .round-group__body {
  padding: 0 13px 12px;
  animation: news-fade 240ms var(--ease);
}

@keyframes news-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-news .entry-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  display: grid;
  gap: 5px;
  padding: 8px 0 8px 11px;
  border-left: 2px solid rgba(0, 229, 255, 0.2);
  transition: border-color var(--dur) var(--ease);
}

.page-news .entry:hover {
  border-left-color: var(--cyan);
}

.page-news .entry .tag {
  justify-self: start;
}

.page-news .entry__title {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ---------- 标签配色 ---------- */

.page-news .tag--set {
  color: var(--cyan);
  background: rgba(0, 229, 255, 0.12);
  border-color: rgba(0, 229, 255, 0.32);
}

.page-news .tag--obs {
  color: #C9A6FF;
  background: rgba(138, 43, 226, 0.16);
  border-color: rgba(138, 43, 226, 0.42);
}

.page-news .tag--list {
  color: var(--orange);
  background: rgba(255, 107, 53, 0.13);
  border-color: rgba(255, 107, 53, 0.36);
}

.page-news .tag--series {
  color: var(--emerald);
  background: rgba(23, 224, 160, 0.12);
  border-color: rgba(23, 224, 160, 0.34);
}

/* ---------- 区块通用 ---------- */

.page-news .news-section {
  min-width: 0;
}

.page-news .news-section__head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-section__head .section-title {
  margin: 0;
}

.page-news .news-section__head .txt-muted {
  margin: 0;
  font-size: 13.5px;
}

/* ---------- 重点场次 ---------- */

.page-news .story-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 229, 255, 0.3);
  background: linear-gradient(155deg, rgba(0, 229, 255, 0.09), rgba(27, 36, 80, 0.92) 44%, rgba(6, 16, 31, 0.96));
  box-shadow: var(--glow-card);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .story-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.42), 0 0 48px -6px rgba(0, 229, 255, 0.6);
}

.page-news .story-card__media {
  margin: 0;
  border-radius: 0;
  overflow: hidden;
}

.page-news .story-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .story-card__body {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 30px);
}

.page-news .story-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .story-card__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.2;
}

.page-news .story-card__body p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-news .story-facts {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
  margin: 2px 0 0;
  padding: 14px;
  border-radius: var(--radius);
  background: rgba(6, 16, 31, 0.66);
  border: 1px solid var(--line-soft);
}

.page-news .story-facts__item {
  display: grid;
  gap: 4px;
}

.page-news .story-facts dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .story-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .story-card__body .story-card__why {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  color: var(--ink);
  font-size: 14.5px;
}

/* ---------- 细条列表 ---------- */

.page-news .strip-list {
  display: grid;
  gap: 10px;
  list-style: none;
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding: 0;
}

.page-news .strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: rgba(11, 26, 47, 0.52);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .strip:hover {
  border-color: rgba(0, 229, 255, 0.36);
  background: rgba(27, 36, 80, 0.62);
}

.page-news .strip__round {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(0, 229, 255, 0.1);
  font-variant-numeric: tabular-nums;
}

.page-news .strip__text h3 {
  margin: 0 0 3px;
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.32;
}

.page-news .strip__text p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

@media (max-width: 620px) {
  .page-news .strip {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-news .strip__round {
    justify-self: start;
  }

  .page-news .strip .tag {
    justify-self: start;
  }
}

/* ---------- 数据观察 ---------- */

.page-news .news-section--observe {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(23, 224, 160, 0.18);
  background: linear-gradient(160deg, rgba(14, 59, 58, 0.78), rgba(11, 26, 47, 0.92) 62%);
}

.page-news .observe-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  align-items: start;
}

.page-news .observe-grid__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .observe-grid__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .observe-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .observe-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-news .observe-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .observe-list__idx {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--emerald);
  font-variant-numeric: tabular-nums;
}

.page-news .observe-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.35;
}

.page-news .observe-list p {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .page-news .observe-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

/* ---------- 版本更新 ---------- */

.page-news .release-layout {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  align-items: start;
}

.page-news .release-layout__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .release-layout__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .release-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .release {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-news .release:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .release__ver {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .release h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.35;
}

.page-news .release p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

@media (min-width: 900px) {
  .page-news .release-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (max-width: 560px) {
  .page-news .release {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }
}

/* ---------- 专题系列 ---------- */

.page-news .news-section--series {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(138, 43, 226, 0.28);
  background: linear-gradient(158deg, rgba(58, 16, 48, 0.82), rgba(11, 26, 47, 0.94) 64%);
}

.page-news .series-grid {
  display: grid;
  gap: 16px;
}

.page-news .series-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(6, 16, 31, 0.62);
  border: 1px solid var(--line-soft);
  transition: border-color var(--dur) var(--ease);
}

.page-news .series-card:hover {
  border-color: rgba(0, 229, 255, 0.34);
}

.page-news .series-card .tag {
  justify-self: start;
}

.page-news .series-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.32;
}

.page-news .series-card p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-news .series-card .series-card__cadence {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--emerald);
}

@media (min-width: 720px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */

.page-news .news-cta {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 53, 0.28);
  background: linear-gradient(140deg, rgba(255, 107, 53, 0.11), rgba(11, 26, 47, 0.88) 62%);
}

.page-news .news-cta .section-title {
  margin: 0;
}

.page-news .news-cta__line {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
}

.page-news .news-cta__line a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .story-card,
  .page-news .strip,
  .page-news .series-card,
  .page-news .round-group > summary,
  .page-news .entry,
  .page-news .round-group__num {
    transition: none;
  }

  .page-news .round-group__body {
    animation: none;
  }

  .page-news .story-card:hover {
    transform: none;
  }
}